ET INFO Observed DNS Query to External IP Lookup Domain (api .country .is)
Sourceet/open
CreatedMarch 25, 2025
UpdatedMarch 25, 2025
Classificationexternal-ip-check
alert dns $HOME_NET any -> any any (msg:"ET INFO Observed DNS Query to External IP Lookup Domain (api .country .is)"; dns.query; bsize:14; content:"api.country.is"; nocase; classtype:external-ip-check; sid:2061043; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_03_25, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_03_25;)
Metadata
attack targetClient_Endpoint
created at2025_03_25
deploymentPerimeter
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2025_03_25
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